我試圖將文件從我的 WCF .Net 框架 4.5 發布到 API 休息區。這是我的代碼：public string CreateConclusion(string[] instanceUIDs) { var root = @"C:\"; string filename = "1.2.840.114257.1.9.1245.56421.52314.1119854.01248.dcm"; using (var client = new HttpClient()) { var stream = new FileStream(root + filename, FileMode.Open); using (var content = new MultipartFormDataContent("Upload----" + DateTime.Now.ToString(CultureInfo.InvariantCulture))) { content.Add(new StreamContent(stream), "fileToUpload", filename); using (var message = client.PostAsync("https://localhost:44343/api/ConclusionReports/UploadFile", content).Result) { var input = message.Content.ReadAsStringAsync(); return !string.IsNullOrWhiteSpace(input.Result) ? Regex.Match(input.Result, @"http://\w*\.directupload\.net/images/\d*/\w*\.[a-z]{3}").Value : null; } } } }它不起作用并拋出異常：“發生一個或多個錯誤。發送請求時發生錯誤?！庇袥]有人可以幫我解決這個問題？先感謝您
1 回答
一只萌萌小番薯
TA貢獻1795條經驗 獲得超7個贊
總是可以解開聚合異常以發現真正的原因。嘗試在 try-catch 中編寫您的客戶端調用，如下所示：
try {
//Some risky client call that will call parallell code / async /TPL or in some way cause an AggregateException
}
catch (AggregateException err){
foreach (var errInner in err.InnerExceptions) {
Debug.WriteLine(errInner); //this will call ToString() on the inner execption and get you message, stacktrace and you could perhaps drill down further into the inner exception of it if necessary
}
}
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